arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not
prevent the TS_COMPAT flag from reaching a user-mode task, which might
allow local users to bypass the seccomp or audit protection mechanism
via a crafted application that uses the (1) fork or (2) close system
call, as demonstrated by an attack against seccomp before 3.16.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20150401 CVE Request: Linux mishandles int80 fork from 64-bit tasks
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